/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

package org.apache.bifromq.basekv.store;

import static org.testng.Assert.assertTrue;

import org.apache.bifromq.basekv.store.option.KVRangeStoreOptions;
import com.google.common.util.concurrent.MoreExecutors;
import io.reactivex.rxjava3.observers.TestObserver;
import java.time.Duration;
import java.util.Map;
import org.testng.annotations.Test;

public class KVRangeStoreStatsCollectorTest {

    @Test
    public void testScrap() {
        KVRangeStoreOptions options = new KVRangeStoreOptions();
        KVRangeStoreStatsCollector collector =
            new KVRangeStoreStatsCollector(options, Duration.ofSeconds(1), MoreExecutors.directExecutor());
        TestObserver<Map<String, Double>> statsObserver = TestObserver.create();
        collector.collect().subscribe(statsObserver);
        statsObserver.awaitCount(1);
        Map<String, Double> stats = statsObserver.values().get(0);
        assertTrue(stats.containsKey("cpu.usage"));
    }
}
